(syn. Hydropsalis Ϯ Scissor-tailed Nightjar H. torquata) Gr. ψαλις psalis, ψαλιδος psalidos  pair of scissors; ουρα oura  tail (cf. specific name Caprimulgus psalurus Temminck, 1823 (= syn. Hydropsalis torquata)); "Psalurus, Sw.  Gape strongly bristled. Tail excessively long, and very deeply forked.  Brazil.  P. macropterus. Pl. Col. 157.  bifurcatus. Sw. Sp. Nov." (Swainson 1837).  Var. Psalarus.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 19 January 2019).